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The EFI community has formed an open source shell environment. Rather than booting directly into a full OS, on some executions, the user can boot to the EFI shell. The shell is an EFI application; it can reside straight within the platform ROM, or on a device for which the drivers are in ROM.
The shell can be used to implement other EFI applications, such as setup, OS install, diagnostic or configuration utilities, and system flash updates; it can also be used to play CDs or DVDs without having to boot to a total operating system, given that an EFI application with the appropriate features is written. Shell commands also make it possible to copy or move files and directories among supported file systems. Drivers can be loaded and unloaded, and a whole TCP/IP stack can also be used from within the shell.
Q. Explain about Wide Area Network? Wide Area Network (WAN) usually refers to a network, which covers a large geographical area as well as use communications subnets (circuits)
What is a disk drive? The electro mechanical mechanism that spins the disk and moves the read/write heads known as disk drive.
Explain BOOTP (Boot Strap Protocol). TCP or IP designer observed that several of the configuration steps could be combined in a single step if a server was capable to supply mo
how to become an ict enginer
What is data hazard? Any condition that causes the pipeline to stall is known as a hazard. A data hazard is any condition in which either the source or destination operands of
Determine about the Locator Devices Mouse A mouse is small hand-held box used to position the screen cursor. Wheels or rollers on the bottom of the mouse can be used to r
What are the features of PROM? They are programmed directly by the user. Faster Less expensive More Flexible
What are the conditions that have to be met for a condition to be an invariant of the class? Ans) ? The condition should hold at the end of each constructor. ? The conditi
How the temperature effecting the delays in a chip The delays are directly proportional to the temperature. As the temperature enhances the delays are enhances and chip wil
What are the disadvantages of Bespoke Software - Very dependent on suppliers of the software; if they go out of business there would be little or no support if problems occ
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